<template>
  <Dialog :title="dialogTitle" v-model="dialogVisible">
    <el-form
      ref="formRef"
      :model="formData"
      :rules="formRules"
      label-width="100px"
      v-loading="formLoading"
    >
      <el-form-item label="农场" prop="farmId">
        <el-tree-select
          v-model="formData.farmId"
          :data="farmList"
          :props="defaultProps"
          check-strictly
          node-key="id"
          placeholder="请选择归属农场"
          @change="onFarmChange"
        />
      </el-form-item>

      <el-form-item label="负责人" prop="userId">
        <el-select
          v-model="formData.userId"
          placeholder="请选择负责人"
        >
          <el-option
            v-for="user in userList"
            :key="user.id"
            :label="user.nickname" 
            :value="user.id"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="备注" prop="remark">
        <el-input  v-model="formData.remark" type="textarea" placeholder="请输入备注" />
      </el-form-item>
    </el-form>
    <template #footer>
      <el-button @click="submitForm" type="primary" :disabled="formLoading">确 定</el-button>
      <el-button @click="dialogVisible = false">取 消</el-button>
    </template>
  </Dialog>
</template>
<script setup lang="ts">
import { AlarmApi, AlarmVO } from '@/api/farm/alarm'
import { FarmTourApi,FarmTourVO } from '@/api/farmTour/index';//农场列表
import { defaultProps, handleTree } from '@/utils/tree'
import { HouseApi, houseVO } from '@/api/farm/house'
/** 农场管理 表单 */
defineOptions({ name: 'AlarmForm' })

const { t } = useI18n() // 国际化
const message = useMessage() // 消息弹窗

const dialogVisible = ref(false) // 弹窗的是否展示
const dialogTitle = ref('') // 弹窗的标题
const formLoading = ref(false) // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
const formType = ref('') // 表单的类型：create - 新增；update - 修改

const farmList = ref<Tree[]>([])//农场树形结构
const userList = ref<Array<{ id: number; label: string }>>([]); // 用户列表
const formData = ref({
  id: undefined,
  farmId: undefined,
  remark: undefined,
  userId: undefined,
})
const formRules = reactive({
  farmId: [{ required: true, message: '农场id不能为空', trigger: 'blur' }],
  userId: [{ required: true, message: '用户id不能为空', trigger: 'blur' }],
})
const formRef = ref() // 表单 Ref

/** 打开弹窗 */
const open = async (type: string, id?: number) => {
  dialogVisible.value = true
  dialogTitle.value = t('action.' + type)
  formType.value = type
  resetForm()

  // 加载农场
  try {
    formLoading.value = true;
    const res = await FarmTourApi.getFarmTour();
    farmList.value = handleTree(res); // 处理农场数据
  } finally {
    formLoading.value = false;
  }

  // 修改时，设置数据
  if (id) {
    formLoading.value = true
    try {
      formData.value = await AlarmApi.getAlarm(id)
      if (formData.value.farmId) {
        await onFarmChange(formData.value.farmId);
      }
    } finally {
      formLoading.value = false
    }
  }
}
defineExpose({ open }) // 提供 open 方法，用于打开弹窗

/** 农场选择*/
const onFarmChange = async (selectedFarmId) => {
  // 获取选中的农场的 deptId
  const selectedFarm = farmList.value.find(farm => farm.id === selectedFarmId);
  
  if (selectedFarm && selectedFarm.deptId) {
    try {
      formLoading.value = true;
      // 根据 deptId 调用接口获取用户数据
      const res = await HouseApi.sectionHouseApi(selectedFarm.deptId);
      // console.log(res,'res');
      userList.value = res
    } finally {
      formLoading.value = false;
    }
  }
};

/** 提交表单 */
const emit = defineEmits(['success']) // 定义 success 事件，用于操作成功后的回调
const submitForm = async () => {
  // 校验表单
  await formRef.value.validate()
  // 提交请求
  formLoading.value = true
  try {
    const data = formData.value as unknown as AlarmVO
    if (formType.value === 'create') {
      await AlarmApi.createAlarm(data)
      message.success(t('common.createSuccess'))
    } else {
      await AlarmApi.updateAlarm(data)
      message.success(t('common.updateSuccess'))
    }
    dialogVisible.value = false
    // 发送操作成功的事件
    emit('success')
  } finally {
    formLoading.value = false
  }
}

/** 重置表单 */
const resetForm = () => {
  formData.value = {
    id: undefined,
    farmId: undefined,
    remark: undefined,
    userId: undefined,
  }
  formRef.value?.resetFields()
}
</script>